Home / 20,169,104.20-30,253,656.30-18,610,210.60

Finding the Fourth Proportional to 20,169,104.20, 30,253,656.30 and 18,610,210.60

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Solution

The fourth proportional to 20,169,104.20, 30,253,656.30 and 18,610,210.60 is: 27,915,315.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,169,104.20 : 30,253,656.30 = 18,610,210.60 : x
  2. Step 2: Convert to fraction form
    20,169,104.20/30,253,656.30 = 18,610,210.60/x
  3. Step 3: Cross multiply
    20,169,104.20x = 30,253,656.30 × 18,610,210.60
  4. Step 4: Simplify right side
    20,169,104.20x = 563,026,915,163,016.88
  5. Step 5: Solve for x
    x = 563,026,915,163,016.88/20,169,104.20
  6. Step 6: Final answer
    x = 27,915,315.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.